Scalp brush



FIG. 1 is a perspective view of scalp brush, embodying our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is another perspective view from below thereof. 

CLAIM The ornamental design for scalp brush, as shown and described. 